package webview.test.activity;

/*
 * Copyright (C) 2009 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import webview.test.R;
import webview.test.R.id;
import webview.test.R.layout;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnBufferingUpdateListener;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnPreparedListener;
import android.media.MediaPlayer.OnVideoSizeChangedListener;
import android.net.ConnectivityManager;
import android.os.Bundle;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.widget.Toast;

public class MediaPlayerActivity extends Activity implements OnBufferingUpdateListener,
		OnCompletionListener, OnPreparedListener, OnVideoSizeChangedListener,
		SurfaceHolder.Callback {

	private static final String TAG = "MediaPlayerDemo";
	private int mVideoWidth;
	private int mVideoHeight;
	private MediaPlayer mMediaPlayer;
	private SurfaceView mPreview;
	private SurfaceHolder holder;
	private String path;
	private Bundle extras;
	private static final String MEDIA = "media";
	private static final int LOCAL_AUDIO = 1;
	private static final int STREAM_AUDIO = 2;
	private static final int RESOURCES_AUDIO = 3;
	private static final int LOCAL_VIDEO = 4;
	private static final int STREAM_VIDEO = 5;
	private boolean mIsVideoSizeKnown = false;
	private boolean mIsVideoReadyToBePlayed = false;

	/**
	 * 
	 * Called when the activity is first created.
	 */
	@Override
	public void onCreate(Bundle icicle) {
		super.onCreate(icicle);
		setContentView(R.layout.mediaplayer_2);
		mPreview = (SurfaceView) findViewById(R.id.surface);
		holder = mPreview.getHolder();
		holder.addCallback(this);
		holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
		extras = getIntent().getExtras();

	}

	private boolean NetWorkStatus() {

		boolean netSataus = false;
		ConnectivityManager cwjManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

		cwjManager.getActiveNetworkInfo();

		if (cwjManager.getActiveNetworkInfo() != null) {
			netSataus = cwjManager.getActiveNetworkInfo().isAvailable();
		}

		if (netSataus) {
			AlertDialog.Builder b = new AlertDialog.Builder(this).setTitle("没有可用的网络").setMessage(
					"是否对网络进行设置？");
			b.setPositiveButton("是", new DialogInterface.OnClickListener() {
				public void onClick(DialogInterface dialog, int whichButton) {
					Intent mIntent = new Intent("/");
					ComponentName comp = new ComponentName("com.android.settings",
							"com.android.settings.WirelessSettings");
					mIntent.setComponent(comp);
					mIntent.setAction("android.intent.action.VIEW");
					startActivityForResult(mIntent, 0); // 如果在设置完成后需要再次进行操作，可以重写操作代码，在这里不再重写
				}
			}).setNeutralButton("否", new DialogInterface.OnClickListener() {
				public void onClick(DialogInterface dialog, int whichButton) {
					dialog.cancel();
				}
			}).show();
		}

		return netSataus;
	}

	private void playVideo(Integer Media) {
		doCleanUp();
		try {

			switch (Media) {
			case LOCAL_VIDEO:
				/*
				 * TODO: Set the path variable to a local media file path.
				 */
				path = getIntent().getStringExtra("path");
				if (path == "") {
					// Tell the user to provide a media file URL.
					Toast.makeText(
							MediaPlayerActivity.this,
							"Please edit MediaPlayerDemo_Video Activity, "
									+ "and set the path variable to your media file path."
									+ " Your media file must be stored on sdcard.",
							Toast.LENGTH_LONG).show();

				}
				break;
			case STREAM_VIDEO:
				/*
				 * TODO: Set path variable to progressive streamable mp4 or
				 * 3gpp format URL. Http protocol should be used.
				 * Mediaplayer can only play "progressive streamable
				 * contents" which basically means: 1. the movie atom has to
				 * precede all the media data atoms. 2. The clip has to be
				 * reasonably interleaved.
				 * 
				 */
				// String url = "http://www.ooklnet.com/files/381/381489/video.mp4";
				// String url = "http://www.pocketjourney.com/downloads/pj/video/famous.3gp";

				// String url = Environment.getExternalStorageDirectory() + "/video.3gp";

				String path1 = getIntent().getStringExtra("path");

				// Uri mUri = Uri.parse(path1);
				path = path1;
				if (path == "") {
					// Tell the user to provide a media file URL.
					Toast.makeText(
							MediaPlayerActivity.this,
							"Please edit MediaPlayerDemo_Video Activity,"
									+ " and set the path variable to your media file URL.",
							Toast.LENGTH_LONG).show();

				}

				break;

			}

			// Create a new media player and set the listeners
			mMediaPlayer = new MediaPlayer();
			// mMediaPlayer.setDataSource(path);

			mMediaPlayer.setDataSource(path);
			mMediaPlayer.setDisplay(holder);
			mMediaPlayer.prepare();
			mMediaPlayer.setOnBufferingUpdateListener(this);
			mMediaPlayer.setOnCompletionListener(this);
			mMediaPlayer.setOnPreparedListener(this);
			mMediaPlayer.setOnVideoSizeChangedListener(this);
			mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);

		} catch (Exception e) {
			Log.e(TAG, "error: " + e.getMessage(), e);
		}
	}

	public void onBufferingUpdate(MediaPlayer arg0, int percent) {
		Log.d(TAG, "onBufferingUpdate percent:" + percent);

	}

	public void onCompletion(MediaPlayer arg0) {
		Log.d(TAG, "onCompletion called");
	}

	public void onVideoSizeChanged(MediaPlayer mp, int width, int height) {
		Log.v(TAG, "onVideoSizeChanged called");
		if (width == 0 || height == 0) {
			Log.e(TAG, "invalid video width(" + width + ") or height(" + height + ")");
			return;
		}
		mIsVideoSizeKnown = true;
		mVideoWidth = width;
		mVideoHeight = height;
		if (mIsVideoReadyToBePlayed && mIsVideoSizeKnown) {
			startVideoPlayback();
		}
	}

	public void onPrepared(MediaPlayer mediaplayer) {
		Log.d(TAG, "onPrepared called");
		mIsVideoReadyToBePlayed = true;
		if (mIsVideoReadyToBePlayed && mIsVideoSizeKnown) {
			startVideoPlayback();
		}
	}

	public void surfaceChanged(SurfaceHolder surfaceholder, int i, int j, int k) {
		Log.d(TAG, "surfaceChanged called");

	}

	public void surfaceDestroyed(SurfaceHolder surfaceholder) {
		Log.d(TAG, "surfaceDestroyed called");
	}

	public void surfaceCreated(SurfaceHolder holder) {
		Log.d(TAG, "surfaceCreated called");
		playVideo(extras.getInt(MEDIA));

	}

	@Override
	protected void onPause() {
		super.onPause();
		releaseMediaPlayer();
		doCleanUp();
	}

	@Override
	protected void onDestroy() {
		super.onDestroy();
		releaseMediaPlayer();
		doCleanUp();
	}

	private void releaseMediaPlayer() {
		if (mMediaPlayer != null) {
			mMediaPlayer.release();
			mMediaPlayer = null;
		}
	}

	private void doCleanUp() {
		mVideoWidth = 0;
		mVideoHeight = 0;
		mIsVideoReadyToBePlayed = false;
		mIsVideoSizeKnown = false;
	}

	private void startVideoPlayback() {
		Log.v(TAG, "startVideoPlayback");
		holder.setFixedSize(mVideoWidth, mVideoHeight);
		mMediaPlayer.start();
	}
}
